Bently Nevada 3500/50 133388-02 Tachometer Module

Bently Nevada 3500-50 Tachometer Module Plc PWA-133388-02

Monitor Module Footnotes 

-Only standard differential expansion capabilities provided. For ramp differential expansion and complementary input differential expansion, use the 3500/45 Position Monitor, instead. 

- The 3500/42M provides individual 4 to 20 mA proportional outputs for each channel. The 3500/40M does NOT provide 4 to 20 mA outputs. 

- The monitor channels are programmed in pairs and can perform up to two of these functions at a time. Channels 1 and 2 can perform one function, while channels 3 and 4 perform another (or the same) function.

- Channels configured for velocity or acceleration provide only direct amplitude. Channels configured for Velocity II or Acceleration II provide 1X amplitude/phase and 2X amplitude/phase and bias voltage in addition to direct amplitude. - Any vibration channel can be configured for conventional “pie-shaped” acceptance region alarms. When configured for circular acceptance regions, circular (rather than pieshaped) acceptance region alarms can be enabled. Refer to the 3500/42M Operations/Maintenance Manual for additional information, or contact your nearest sales professional. 

-Only channels 3 and 4 can be used for Case Expansion measurements.

- The 3500/46M provides frequency response characteristics suitable for use on machines with very slow rotational speeds, such as hydraulic turbine/generator sets, which often operate at speeds of 100 RPM or lower. Also, special signal conditioning and tracking filtering is provided, allowing detection of rough load zone operation, shear pin failure, and other hydro-specific conditions.

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